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| #!/usr/bin/env ipython | |
| # -*- coding: utf-8 -*- | |
| import sys | |
| import vtk | |
| import numpy as np | |
| import matplotlib.pyplot as plt | |
| def _read_data(filename): | |
| """Read data from time, return tuple of arrays x, y, T.""" | |
| reader = vtk.vtkXMLImageDataReader() | |
| reader.SetFileName(filename) | |
| reader.Update() | |
| data = reader.GetOutput() | |
| temperature = data.GetPointData().GetArray(0) | |
| n = data.GetNumberOfPoints() | |
| x = np.zeros(n) | |
| y = np.zeros(n) | |
| T = np.zeros(n) | |
| for i in range(n): | |
| x[i] = data.GetPoint(i)[0] | |
| y[i] = data.GetPoint(i)[1] | |
| T[i] = temperature.GetValue(i) | |
| return x, y, T | |
| def _plot(): | |
| DATA_FILE = 'Case-1.vti' | |
| x, y, T = _read_data(DATA_FILE) | |
| plt.figure(figsize=(8, 8)) | |
| plt.jet() | |
| plt.tricontourf(x, y, T, 64) | |
| plt.savefig('temperature.pdf', bbox_inches='tight', bbox_padding=0.5) | |
| if __name__ == '__main__': | |
| sys.exit(_plot()) |
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